package com.itheima.mapper;

import com.itheima.pojo.Dept;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface DeptMapper {
    //查询全部部门
    @Select("select * from dept order by update_time desc")
    List<Dept> queryAllDepts();

    //新增部门
    @Insert("insert into dept (name, create_time, update_time) values (#{name}, #{createTime}, #{updateTime})")
    void insertDept(Dept dept);

    //修改部门——1.根据id查询
    @Select("select * from dept where id=#{id}")
    Dept queryByIdDept(Integer id);

    //修改部门——2.修改部门信息
    @Update("update dept set name=#{name},update_time=#{updateTime} where id = #{id}")
    void updateDept(Dept dept);

    //删除部门
    @Delete("delete from dept where id=#{id}")
    void deleteDept(Integer id);
}
